login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A337274 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 6
6 20
7 82
8 376
9 2010
10 11788
11 77816
12 556016
13 4366814
14 36773666
15 335394762
16 3251474116
17 33770466316
18 370474881290
19 4317182375632
20 52861107601060
21 683129289079532
22 9234228045432682
23 131059243976153410

[1,1,1,2,6,20,82,376,2010,11788,77816,556016,
 4366814,36773666,335394762,3251474116,33770466316,
 370474881290,4317182375632,52861107601060,
 683129289079532,9234228045432682,
 131059243976153410]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 05:20 EDT 2024. Contains 371906 sequences. (Running on oeis4.)